Which of the following is an appropriate power supply rating for a typical 50-watt output mobile FM transceiver?

Q: Which of the following is an appropriate power supply rating for a typical 50-watt output mobile FM transceiver?

The correct answer is D: 13.8 volts at 12 amperes. The official 2026-2030 Question Pool answer is D: 13.8 volts at 12 amperes. This Technician question is synchronized with the current NCVEC release and incorporated errata. Use the exact wording and answer key shown here when preparing for the current exam pool.

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Deep Dive: T4A01

The official 2026-2030 Question Pool answer is D: 13.8 volts at 12 amperes. This Technician question is synchronized with the current NCVEC release and incorporated errata. Use the exact wording and answer key shown here when preparing for the current exam pool.

Why Other Answers Are Wrong

Option A: This is not the keyed answer in the current official pool. The official keyed answer is D: 13.8 volts at 12 amperes. Option B: This is not the keyed answer in the current official pool. The official keyed answer is D: 13.8 volts at 12 amperes. Option C: This is not the keyed answer in the current official pool. The official keyed answer is D: 13.8 volts at 12 amperes.

Exam Tip

For T4A01, remember the current official key: D - 13.8 volts at 12 amperes.

Memory Aid

T4A01: D - 13.8 volts at 12 amperes

Source & Coverage

Question Pool: 2026-2030 Question Pool

Subelement: T4A

Reference: 2026-2030 Question Pool · T4 - Amateur radio practices and station set up

Key Concepts

T4A Technician question pool official answer key

Official Pool Source

Question text and answer key are synchronized with the current NCVEC Technician Class pool and mapped to the T4A topic.